diff --git a/kcm/src/kcm_kscreen.h b/kcm/src/kcm_kscreen.h
--- a/kcm/src/kcm_kscreen.h
+++ b/kcm/src/kcm_kscreen.h
@@ -37,6 +37,8 @@
     explicit KCMKScreen (QWidget* parent = 0, const QVariantList& args = QVariantList());
     virtual ~KCMKScreen();
 
+    virtual QSize sizeHint() const Q_DECL_OVERRIDE;
+
   public Q_SLOTS:
     void load() Q_DECL_OVERRIDE;
     void save() Q_DECL_OVERRIDE;
diff --git a/kcm/src/kcm_kscreen.cpp b/kcm/src/kcm_kscreen.cpp
--- a/kcm/src/kcm_kscreen.cpp
+++ b/kcm/src/kcm_kscreen.cpp
@@ -95,6 +95,11 @@
 {
 }
 
+QSize KCMKScreen::sizeHint() const
+{
+    return QSize(0, 700);
+}
+
 void KCMKScreen::changed()
 {
     if (!m_blockChanges) {